class HouseSpider:
    def __init__(self, url):
        self.url = url

    def load_page(self):
        headers = {
            "User - Agent": "Mozilla / 5.0(Windows NT 10.0;Win64; x64) AppleWebKit / 537.36(KHTML, like Gecko) Chrome / 85.0 .4183 .102Safari / 537.36"}
        response = requests.get(url, headers=headers)
        return response.content.decode("gbk")
    def parse_page(self,html):
        soup = BeautifulSoup(html,'lxml')
        list1 = soup.find_all('tr',{'bgcolor':'#ffffff'})
        for e in list1:
            print(e)
            print()

    def save_file(self, houses):